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NAS1218-5-4P
Machine Bolt
Description
Fastener Length: 3/4", Thread: 1/4-24, Thread Length: 1/2", NAS1218 series bolt
Specifications
| Fastener Length | Between 0.704 inches and 0.751 inches |
|---|---|
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.594 inches and 0.615 inches |
| Head Height | Between 0.203 inches and 0.218 inches |
| Head Style | Pan Head |
| Internal Drive Style | High-torque |
| Length | 3/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 type 2 class 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.361 inches and 0.511 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1218-5-4P
- NAS1218-5-6P
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1218-5-4P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error